<template>
    <div>
        <!-- 顶部滑动条区域 -->
        <div id="slider" class="mui-slider">
				<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
					<div class="mui-scroll">
						<a :class="['mui-control-item', item.id == 0 ? 'mui-active': '']" v-for="item in cates" :key="item.id" @click="getPhotolistBycateid(item.id)">
							{{item.title}}
						</a>
					</div>
				</div>
		</div>
         
         <!--图片加载区域  -->
        <ul class="photo-list">
          <router-link v-for="item in list" :key="item.id" :to="'/home/photoinfo/'+item.cateid+item.id" tag="li">
          <img v-lazy="item.img_url">
          <div class="info">
              <h1 class="info-title">{{item.title}}</h1>
              <div class="info-body">{{item.zhaiyao}}</div>
          </div>
          </router-link>
        </ul>
    </div>
</template>

<script>
import mui from '../../../static/js/mui.min.js'

export default {
    data(){
        return{
            cates:[],
            list:[]
        }
    },
    mounted(){
        mui('.mui-scroll-wrapper').scroll({
            deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
        });
    },
    created(){
        this.getAllcontent()
        this.getPhotolistBycateid(0)
    },
    methods:{
        getAllcontent () {
            this.axios.get('../../static/api/photohead.json').then((res) => {
                this.cates = res.data;
            })
        },
        getPhotolistBycateid(cateId){
            this.list=[]
            this.axios.get('../../static/api/photourl.json').then((res) => {
               for(var i=0;i<res.data.length;i++){
                    if(res.data[i].cateid == cateId){
                    this.list=this.list.concat(res.data[i])
                }
                }
            }) 
        }
    }
}
</script>

<style lang="scss" scoped>
*{
    touch-action: pan-y;
}

.photo-list{
    list-style: none;
    margin: 0;
    padding: 10px;
    margin-bottom: 0;
    li{
        background-color: #ccc;
        text-align:center;
        margin-bottom: 10px;
        box-shadow: 0 0 9px #999;
        position: relative;

        img{
        width: 100%;
        vertical-align: middle
        }
        img[lazy="loading"] {
        width: 40px;
        height: 300px;
        margin: auto;
        }

        .info{
            color: white;
            text-align: left;
            position:absolute;
            bottom: 0px;
            background-color:rgba(0,0,0,0.4);
            max-height: 84px;

            .info-title{
              font-size: 14px;
            }
            .info-body{
              font-size: 13px;
            }
        }
    }

}


</style>